Yilong Hu, in Yunnan China

Yilong Hu, a lake in Yunnan, China, that is 1412 m above sea level. The lake has a surface area of 44 km2, a mean depth of 2.8 m and a maximum depth of 6.2 m. Photo from old ASLO slide collection; taken by M. Brenner; scanned by K.L. Schulz.